The Franklinian Basin of North Greenland
The Palaeozoic Franklinian Basin extends from the Canadian Arctic Islands across North Greenland to Kronprins Christian Land in eastern North Greenland, an E–W distance of 2000 km; only part of the Canadian segment of the basin is represented on the map. The preserved part of the succession shows that deposition in this E–W trending basin began in the latest Precambrian or earliest Cambrian and continued until at least earliest Devonian in Greenland and later Devonian to earliest Carboniferous in Canada; sedimentation was brought to a close by the mid- to late Palaeozoic Ellesmerian orogeny.
Throughout the Lower Palaeozoic, the basin in Greenland can be divided into a southern shelf and slope area and a northern deep water trough. The shelf succession is dominated by carbonates and reaches 3 km in thickness, whereas the trough deposits are dominated by siliciclastic rocks and have a total thickness of c. 8 km. The shelf–trough boundary was probably controlled by deep-seated faults, and with time the trough expanded southwards to new fault lines, with final foundering of the shelf areas in the Silurian.
Cambro–Ordovician sediments in the Caledonian fold belt in East Greenland
Cambrian–Ordovician rocks make up an approximately 4000 m thick sequence within the East Greenland Caledonian fold belt between latitudes 71o40' and 74o30'N. The sediments laid down in this Lower Palaeozoic basin are disturbed by large scale folding and faulting, but are non-metamorphic. Limestones and dolomites dominate the succession which spans the period from the earliest Cambrian to the Late Ordovician
Devonian continental sediments in East Greenland
Following the Caledonian orogeny a period of extensional faulting led to the initiation of a Devonian sedimentary basin in central East Greenland. The Devonian sediments unconformably overlie Ordovician and older rocks, and are preserved in north–south trending graben-like structures.
The basin fill is of Middle and Late Devonian age  and consists of more than 8 km of continental siliciclastic sediments with some volcanic intervals. Four lithostratigraphic groups have been established, each corresponding to a tectonostratigraphic stage.